B331133131323131133132233133313231323133313132322331333132311211331
>>
B33113313132313113313223313331323132313331313232233133313231121133
<<
B331133131323131133132233133313231323133313132322331333132311211333
>>
B331133131323131133132233133313231323133313132322331333132311211332
>>